The information on this page is a summary description.
The full formal description is available here: Valkenburg Member
| Abbreviation | |
| Parent unit | Maastricht Formation |
| Child unit | |
| Lithological description | Poorly indurated, white-yellowish to yellowish grey, fine- to coarse-grained “chalk” with greyish brown flint nodules of varying size in the west. In the east, sequence changes into alternation of poorly and more intensely indurated chalk beds, part of so-called ‘Kunrade limestone’. Flints, where occurring, are crumbly, light grey nodules. Base with coarse-grained, phosphatic/glauconitic and pyritic bioclastic sand. |
| Age | |
| Thickness | Between about 2.5 and 45 m |
| Area of occurrence | |
| Type locality | Stratotype: Disused quarry east of Valkenburg aan de Geul, Limburg, The Netherlands (co-ordinates 318.520/186.770). |
| Alternative names | |
| Authors | Robaszynski, F., Dhondt, A.V. & Jagt, J.W.M. |
| Date | 01/01/2001 |
| Cite as | Robaszynski, F., Dhondt, A.V. & Jagt, J.W.M., 2001. The Valkenburg Member, 01/01/2001. National Commission for Stratigraphy Belgium. http://ncs.naturalsciences.be/lithostratigraphy/Valkenburg-Member |
